:root {
  --ground: #F6F7F3;
  --surface: #FCFCFA;
  --text: #1A1B16;
  --muted: #7C7E72;
  --line: #E2E3DB;
  --accent: #5A6B3B;        /* botanical olive */

  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(2.25rem, 5vw, 4rem) clamp(1.25rem, 5vw, 3.5rem) 5rem;
}

/* ---- masthead ---- */
.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  padding-bottom: 1.8rem;
  border-bottom: 1px solid var(--line);
}
.kicker {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.9rem;
}
.title {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: 0.9;
  margin: 0;
}
.subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.85rem 0 0;
}

/* ---- masthead controls ---- */
.controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.9rem;
  flex: 0 1 280px;
}

.search { position: relative; width: 100%; }
.search input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  padding: 0.55rem 0 0.55rem 1.6rem;
  outline: none;
  transition: border-color 0.25s ease;
}
.search input:focus { border-color: var(--accent); }
.search::before {
  content: "";
  position: absolute;
  left: 2px; top: 45%;
  width: 12px; height: 12px;
  transform: translateY(-50%) rotate(-45deg);
  border: 1.4px solid var(--muted);
  border-radius: 50%;
  box-shadow: 6px 0 0 -5px var(--muted);
  pointer-events: none;
}
.search input::placeholder { color: var(--muted); }

/* minimal toggle, in palette */
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  user-select: none;
}
.toggle input {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  margin: 0;
  border: 1.4px solid var(--line);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}
.toggle input:hover { border-color: var(--muted); }
.toggle input:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.toggle input:checked::after {
  content: "";
  position: absolute;
  left: 3.5px; top: 0.5px;
  width: 4px; height: 8px;
  border: solid var(--surface);
  border-width: 0 1.6px 1.6px 0;
  transform: rotate(45deg);
}
.toggle input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.toggle:hover { color: var(--text); }

/* ---- 1 away disclosure ---- */
.oneaway {
  margin-top: 1.6rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.2rem;
}
.oneaway summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.3rem 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.oneaway summary::-webkit-details-marker { display: none; }
.oneaway summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.oneaway-count { color: var(--muted); }
.oneaway-list {
  list-style: none;
  margin: 0.4rem 0 0.8rem;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}
.oneaway-list button {
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  padding: 0.2rem 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
}
.oneaway-list button:hover { color: var(--accent); }
.oneaway-list button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.oneaway-list .need {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-left: 0.5rem;
}

/* ---- panes ---- */
.panes { margin-top: 2.4rem; }

/* ---- index ---- */
.idx-cat {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin: 2.2rem 0 0.7rem;
}
.idx-cat:first-child { margin-top: 0; }
.idx-cat h2 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  color: var(--accent);
  margin: 0;
}
.idx-cat .rule { flex: 1; height: 1px; background: var(--line); }
.idx-cat .count { font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted); }

.idx-drink {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-left: 2px solid transparent;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
  padding: 0.42rem 0 0.42rem 0.95rem;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.idx-drink:hover { color: var(--accent); }
.idx-drink.sel { color: var(--accent); border-left-color: var(--accent); }
.idx-drink:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.idx-drink .name { flex: 0 1 auto; }
/* unmakeable drinks: subtly dimmed + mono "missing N" suffix */
.idx-drink.unmakeable .name { color: var(--muted); }
.idx-drink.unmakeable:hover .name { color: var(--accent); }
.idx-missing {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}
/* makeable-via-substitution: small "sub" tag */
.idx-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.04rem 0.28rem;
  line-height: 1.4;
}

/* ---- detail ---- */
.detail-back {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0;
  margin-bottom: 1.6rem;
}

.d2-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 0.98;
  letter-spacing: 0.01em;
  margin: 0;
}
.d2-meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.d2-glass { height: 30px; width: auto; opacity: 0.5; }

.cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  margin-top: 2.4rem;
}
.col-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.spec { display: grid; grid-template-columns: max-content 1fr; column-gap: 1.3rem; row-gap: 0.62rem; }
.spec .amt { font-family: var(--font-mono); font-size: 0.82rem; white-space: nowrap; padding-top: 0.04rem; }
.spec .ing { font-size: 0.96rem; }

/* ingredient availability states (subtle) */
.spec .ing.missing { color: var(--muted); }
.ing-dot {
  display: inline-block;
  width: 7px; height: 7px;
  margin-right: 0.5rem;
  border: 1.3px solid var(--muted);
  border-radius: 50%;
  vertical-align: middle;
}
.ing-sub-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  margin-left: 0.45rem;
  white-space: nowrap;
}

.method { list-style: none; margin: 0; padding: 0; }
.method li { display: grid; grid-template-columns: 2.1rem 1fr; align-items: start; margin-bottom: 0.8rem; }
.method .n { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); padding-top: 0.12rem; }
.method .step { font-size: 0.96rem; }

.garnish { margin-top: 1.6rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.garnish .lbl { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 0.3rem; }
.garnish .val { font-size: 0.96rem; }

.note {
  margin-top: 1.4rem;
  font-size: 0.92rem;
  color: var(--muted);
  font-style: italic;
}

.source {
  display: inline-block;
  margin-top: 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}
.source:hover { color: var(--accent); border-color: var(--accent); }

.empty { color: var(--muted); font-family: var(--font-mono); font-size: 0.85rem; padding: 1.5rem 0; }

/* ---- mobile: detail as slide-in overlay ---- */
.detail {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--ground);
  padding: clamp(1.75rem, 6vw, 2.5rem) clamp(1.25rem, 5vw, 2rem) 4rem;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.32s ease;
}
body.detail-open .detail { transform: none; }
body.detail-open { overflow: hidden; }
.detail-back { display: flex; }

/* ---- desktop: true two-pane ---- */
@media (min-width: 880px) {
  .panes {
    display: grid;
    grid-template-columns: minmax(230px, 290px) 1fr;
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: start;
  }
  .detail {
    position: sticky;
    top: 1.75rem;
    inset: auto;
    z-index: auto;
    background: transparent;
    padding: 0;
    overflow: visible;
    transform: none;
  }
  body.detail-open { overflow: auto; }
  .detail-back { display: none; }
  .cols { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); column-gap: clamp(2rem, 4vw, 4rem); }
  .garnish { grid-column: 1 / -1; }
  .note { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }